Questions - OpenCV Q&A Forum

210

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2016-11-10 01:45:30 -0600 Poehe

Advice on Haar/LBP approach [closed]

531

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2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

711

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2016-11-10 17:28:49 -0600 Mohamed Alzaki

Detecting the shape of irregular objects [closed]

2k

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1

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no

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2016-12-17 01:50:22 -0600 berak

openCV 2.4.9.1 sample creation works but gives error message

498

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1

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no

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2017-01-07 05:43:48 -0600 berak

Problem with knn

2k

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1

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2017-02-17 02:57:23 -0600 LBerger

Is anyone using "ONE CLASS SVM"?

1k

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2017-02-22 07:10:29 -0600 ashgard

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

273

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1

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no

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2017-05-19 23:25:48 -0600 berak

How to re-train the classifiers for opencv_contrib text module

393

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1

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no

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2017-06-07 08:26:32 -0600 StevenPuttemans

How to use soft cascade in opencv 3

147

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2017-06-18 04:31:55 -0600 ThorbjornSomod

Modifying features of opencv_traincascade [closed]

282

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2017-06-23 05:55:22 -0600 CV_open

Number of items in positive samples, haar cascade classifier

174

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2017-07-06 15:15:33 -0600 henrickd

OpenCV poor performance of Haar classifier trained by me

5k

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1

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2017-07-06 15:35:48 -0600 Highwayman

Error with cv2.CascadeClassifier() using Trained Classifier

1k

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1

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1

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2017-07-26 05:24:57 -0600 Raki

How to detect or classify image type

1k

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2017-10-03 02:10:16 -0600 leafdet

Ideas needed for Leaf Detection

831

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1

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no

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2018-02-27 12:06:47 -0600 berak

Haar Classifier does not work, only one feature seems to be trained.

557

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1

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no

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2018-03-06 04:06:18 -0600 Joshitha

Are there any ways to generate a HAAR cascade faster?

952

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1

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2018-04-04 05:42:53 -0600 berak

How to predict HOG features each frame with trained SVM classifier (and possibly get the accuracy of the prediction)

4k

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2

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2018-09-07 07:08:57 -0600 m93c

OpenCV.js unable to load haar cascades [closed]

914

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2018-09-12 06:54:18 -0600 m93c

OpenCV.js in Web Worker problem

902

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1

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2018-11-05 10:35:17 -0600 phillity

FDA and LDA classification

145

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2019-02-19 17:34:01 -0600 Programming_Enthusiast

Classify a trajectory using SVM from freeman chain codes

404

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1

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2019-07-30 06:57:49 -0600 manef

problem while load trained svm android

1k

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1

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2019-08-01 05:54:05 -0600 LBerger

How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

110

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2019-10-20 22:06:30 -0600 Sweetmei

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

classifier

181

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2

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2019-12-14 12:43:13 -0600 bong0

Use custom classifier in ERFilter with python

872

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2020-05-03 04:22:23 -0600 avs123a

Help with OpenCV image classification by ORB features

654

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1

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-1

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2020-05-15 04:56:35 -0600 berak

How to find neck detect part in our body or face?

1k

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no

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2020-06-24 23:05:05 -0600 neel19

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

89 questions

Advice on Haar/LBP approach [closed]

Training a lbp detector/classifier

Detecting the shape of irregular objects [closed]

openCV 2.4.9.1 sample creation works but gives error message

Problem with knn

Is anyone using "ONE CLASS SVM"?

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

How to re-train the classifiers for opencv_contrib text module

How to use soft cascade in opencv 3

Modifying features of opencv_traincascade [closed]

Number of items in positive samples, haar cascade classifier

OpenCV poor performance of Haar classifier trained by me

Error with cv2.CascadeClassifier() using Trained Classifier

How to detect or classify image type

Ideas needed for Leaf Detection

Haar Classifier does not work, only one feature seems to be trained.

Are there any ways to generate a HAAR cascade faster?

How to predict HOG features each frame with trained SVM classifier (and possibly get the accuracy of the prediction)

OpenCV.js unable to load haar cascades [closed]

OpenCV.js in Web Worker problem

FDA and LDA classification

Classify a trajectory using SVM from freeman chain codes

problem while load trained svm android

How to load CV2.ml_Knearest pre-trained classifier back into Python memory?

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

Use custom classifier in ERFilter with python

Help with OpenCV image classification by ORB features

How to find neck detect part in our body or face?

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

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